Harris Poll Online is a fairly big survey panel, and it is only available in a few countries .
You can only earn by taking surveys, but it offers a decent amount.
It can take a little patience to find the surveys you qualify for on Harris Poll, but with a little patience, it is still a great way to earn some extra money.
Just make sure to also join other sites, as this site alone will not give you enough opportunities.
You can get paid through Amazon gift cards, or choose between many other gift cards, so even though it at the moment does not offer payout in cash, it still has some really great reward options.